| Patents Granted on 1864-03-?? |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 41,768 | Mar. 01, 1864 | G.W. Griswold | Nut Wrench | quick adjust wrenches |
| 41,775 | Mar. 01, 1864 | B. Hotchkiss | Drop Hammer | drop hammers |
| 41,783 | Mar. 01, 1864 | W.F. Redding | Improvement in Stop-Gages for Weather-Boarding | clapboard markers |
| 41,797 | Mar. 01, 1864 | J.W. Van Deventer | Slitting Gage | marking gauges |
| 41,818 | Mar. 01, 1864 | A.S. Libby | Cutter Holder | lathe tool holders and tool posts |
| 41,822 | Mar. 01, 1864 | I. Tower, estate of (deceased) | Machine to make Augers | making drills and augers |
| GB-186,400,516 | Mar. 01, 1864 | J. Wild | Improvements in propelling vessels, and in machinery or apparatus connected therewith | boats and ships |
| 41,867 | Mar. 08, 1864 | C. Sholl | Improvement in Joiners' Gage | marking gauges |
| 41,877 | Mar. 08, 1864 | L. Vance | Improvement in sawmills | circular sawmills |
| 41,889 | Mar. 08, 1864 | A. Hathaway | Tool Rest | metal lathe accessories and attachments |
| 41,894 | Mar. 08, 1864 | H.S. Shepardson | Improvement in Countersinks | countersinks |
| CS-233 | Mar. 12, 1864 | J.E. Cargill | Ink Composition | |
| 41,908 | Mar. 15, 1864 | P. Crosby | Improvement in sawmills | reciprocating sawmills |
| 41,910 | Mar. 15, 1864 | M. Dewey | Improvement in wood-sawing machines | drag saws |
| 41,912 | Mar. 15, 1864 | C.J. Fay | Saw Buck | work supports |
